@import "est/all";

@support-ie-version: 7;
@use-autoprefixer: false;

.global-reset();

.box {
  .inline-block();
  .opacity(60);
  height: 100px;
  background: green;
  margin: 10px;
}
.left {
  float: left;
  .clearfix();
}

.row {
  .make-row();
  .col {
    .make-column(1/4);
    background: red;
    height: 100px;
  }
}
.my-triangle {
  margin: 100px;
  // width:100px;
  // height:200px;
  // border: 1px solid red;
}
.my-triangle::after {
  content: " ";
  .triangle(top left, 100px, red, side);
}
